Example Code for Arduino-Detecting vibration

Wiring Diagram

Sample Code

/*
  Detecting vibration
*/

int SensorLED = 13;       //LED PIN
int SensorINPUT = 3;      //Connect the sensor to digital Pin 3 which is Interrupts 1
unsigned char state = 0;

void setup() {
  pinMode(SensorLED, OUTPUT);
  pinMode(SensorINPUT, INPUT);

  // Trigger the blink function when the falling edge is detected
  attachInterrupt(1, blink, RISING);
 }

void loop(){
      if(state!=0){
        state = 0;
        digitalWrite(SensorLED,HIGH);
        delay(500);
      }
      else
        digitalWrite(SensorLED,LOW);
}

void blink(){               //Interrupts function
    state++;
}